The effect in the encircled area is the result of which Tool or Filter?

To add more of a selection, to an existing pixel selection, which one is used?

The 'Line tool' is used to create curved lines.

Assigning a URL to a slice makes the entire slice area a hotspot, when a user clicks in the hotspot, the Web browser links to the specified URL and target frame.

What does the 'history brush tool' let you do?

Which will be most suitable for resizing and resampling images for printed or online display.

What does the burn tool do?

Photoshop can be used with a touch sensitive Wacom device.

Where can you change a document's 'Working RGB space'?

Keyboard shortcut quickly deselects a current selection?

The History window: